Home / 13,806,750.94-20,713,115.93-5,287,087.71

Finding the Fourth Proportional to 13,806,750.94, 20,713,115.93 and 5,287,087.71

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Solution

The fourth proportional to 13,806,750.94, 20,713,115.93 and 5,287,087.71 is: 7,931,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,806,750.94 : 20,713,115.93 = 5,287,087.71 : x
  2. Step 2: Convert to fraction form
    13,806,750.94/20,713,115.93 = 5,287,087.71/x
  3. Step 3: Cross multiply
    13,806,750.94x = 20,713,115.93 × 5,287,087.71
  4. Step 4: Simplify right side
    13,806,750.94x = 109,512,060,642,872.78
  5. Step 5: Solve for x
    x = 109,512,060,642,872.78/13,806,750.94
  6. Step 6: Final answer
    x = 7,931,776.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.